The scientific classification of Davidia and Japanese Cedar includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. Davidia and Japanese Cedar kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Davidia and Japanese Cedar family is a major factor of Davidia and Japanese Cedar Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. Davidia belongs to the family Nyssaceae and Japanese Cedar belongs to the family Cupressaceae.
While comparing scientific classification, Davidia and Japanese Cedar genus and other classification are also important. Also, when you compare Davidia and Japanese Cedar, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Davidia and other plant's genus is Cyptomeria. Davidia tribe is Astereae and Japanese Cedar tribe is Not Available. Davidia clade is Angiosperms, Asterids and Eudicots and order is Cornales whereas Japanese Cedar clade is Not Available and order is Pinales. Every plant have subfamilies. Davidia subfamilies are, Davidioideae and Japanese Cedar subfamilies are Not Available. In this way you can compare scientific classification of Davidia and Japanese Cedar and other products also.